nasa says it was likely a meteor. not a space rock that streaked across skies over russia where 1,000 are recovering from injuries. the damage estimate for that, $33 million. and that happened on the same day that an asteroid half the size of a football field did a drive-by, passing 17,000 miles above earth. dr. hakin oleshegy is a scientist at the florida institute of technology and spokesperson for the science channel. nice to have you with us this morning. >> good morning. i'm happy to be here. >> first we need to clear up a few thing. initially we were calling that space rock in russia a meteorite. but it actually of an asteroid as well as the other one. >> well, you know, the naming of these rocks is kind of interesting, right? this object originated in the asteroid belt, so it is an asteroid. when it became streaking through our skies, we call it a meteor. then when it became a fireball, we called it a bolide. when the part hit the ground, fragments, we call those meteorites. >> i think i followed all that. >> y